Quote:

This link is cool to play with where you can have a better understanding of backspacing,widths and tire diameter all in one shot..
http://www.rimsntires.com/specs.jsp?item=Wheel-Tire size comparer&sw1=215&ar1=60&bd1=15&rw1=7.0&et1=6&sw2=165&ar2=70&bd2=13&rw2=5.5&et2=40&text1=&text2=



great site to really understand what's going on with changes